I have one of these to rev up a DBW engine when nobody else is around:
https://www.amazon.com/Lisle-48700-Throt...ottle+depressor
It serves me well. I even use it on cable driven throttles because it is easier to do.
https://www.amazon.com/Lisle-48700-Throt...ottle+depressor
It serves me well. I even use it on cable driven throttles because it is easier to do.